And now, to an unbelievable image tonight. It shows a very close call. A politician speaking. A man with a gun approaching him at the podium. That gun inches away from the leader's head. Everyone survived this. But so many questions about this coming in from bulgaria. Abc's alex marquardt on how that gunman got in and got so close. Reporter: He came out of nowhere. He pointed a gun at a bulgarian politician's head. He failed to fire a shot. He was instantly tackled the crowd by audience members at this party conference repeatedly kicked and pummelled with fists. Others stood over the pistol, self-defense weapon that's lethal at close range. It's unclear why the 25-year-old attacked ahmed dogan. "Right now, we're working on finding out everything about the attacker," said the bulgarian interior minister. In addition to the gun, two knives were found on t attacker. It's unclear how he got into the conference. He already had a known criminal background with arrests for drug possession and robbery. The politician who was attacked was stepping down as head of his party. Police say that he's in good health after this attack. Of course, david, so many questions remain tonight. Alex, thanks to you. We're going to turn now to notre dame football star manti

This transcript has been automatically generated and may not be 100% accurate.

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